Question
Answer
$$8-i+3+i-i=-i+11$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}8-i+3+i-i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}11-i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-i+11\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{8} \, \color{red}{ -\cancel{i}} \,+ \color{blue}{3} + \, \color{red}{ \cancel{i}} \, = \color{blue}{11} $$ |
| ② | Combine like terms: $$ -i+11 = -i+11 $$ |
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